Tank Ledger

GMC S15 Jimmy MPG by year — every rating on record

The GMC S15 Jimmy has a combined EPA fuel economy rating for 7 model years, from 1984 to 1990. Across those years its best rated version returned 23 mpg (1984) and its thirstiest returned 16 mpg (1987). The EPA record holds 50 configurations for this nameplate, most recently a Special Purpose Vehicle 2WD / Special Purpose Vehicles.

23best combined mpg (1984)
16worst combined mpg (1987)
18latest year best (1990)
50configurations on record

Year-by-year EPA ratings

Model yearConfigurationsBest combinedWorst combinedClass rank that yearDrivetrainsFuelEPA class
19841123 mpg18 mpg#3 of 14 (85th pct)2-Wheel DriveRegularSpecial Purpose Vehicle 2WD
19851022 mpg18 mpg#3 of 16 (87th pct)Rear-Wheel DriveRegularSpecial Purpose Vehicle 2WD
1986622 mpg17 mpg#5 of 16 (73th pct)Rear-Wheel DriveRegularSpecial Purpose Vehicle 2WD
1987821 mpg16 mpg#3 of 15 (86th pct)Rear-Wheel DriveRegularSpecial Purpose Vehicle 2WD
1988622 mpg18 mpg#2 of 18 (94th pct)Rear-Wheel DriveRegularSpecial Purpose Vehicle 2WD
1989519 mpg17 mpg#5 of 20 (79th pct)Rear-Wheel Drive, 4-Wheel or All-Wheel DriveRegularSpecial Purpose Vehicle 2WD, Special Purpose Vehicles
1990418 mpg16 mpg#12 of 25 (54th pct)Rear-Wheel Drive, 4-Wheel or All-Wheel DriveRegularSpecial Purpose Vehicle 2WD, Special Purpose Vehicles

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The GMC S15 Jimmy placed highest in 1988 at #2 of 18, and lowest in 1990 at #12 of 25. It spent 7 of its 7 ranked years in the top half of its class.

Every configuration on record

All 50 configurations EPA lists for this nameplate, newest first.

YearConfigurationEngine detailCityHighwayCombinedGallons/yrBarrels/yrEPA fuel cost/yrCO2 g/miGHG
19904.3L 6-cyl 4-Wheel or All-Wheel Drive Manual 5-spd Regular(FFS)151816718.818.6$3,900555.4375n/a
19904.3L 6-cyl 4-Wheel or All-Wheel Drive Automatic 4-spd Regular(FFS)152017676.517.5$3,650522.7647058823529n/a
19904.3L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular(FFS)162218638.916.5$3,450493.72222222222223n/a
19904.3L 6-cyl Rear-Wheel Drive Manual 5-spd Regular(FFS)152218638.916.5$3,450493.72222222222223n/a
19894.3L 6-cyl 4-Wheel or All-Wheel Drive Automatic 4-spd Regular(FFS)152017676.517.5$3,650522.7647058823529n/a
19894.3L 6-cyl 4-Wheel or All-Wheel Drive Automatic 4-spd Regular(FFS)152017676.517.5$3,650522.7647058823529n/a
19894.3L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular(FFS)162218638.916.5$3,450493.72222222222223n/a
19892.8L 6-cyl 4-Wheel or All-Wheel Drive Manual 5-spd Regular(FFS)152218638.916.5$3,450493.72222222222223n/a
19892.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular(FFS)172419605.315.7$3,300467.7368421052632n/a
19882.8L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular(FFS)152218638.916.5$3,450493.72222222222223n/a
19882.8L 6-cyl Rear-Wheel Drive Manual 4-spd Regular(FFS)162118638.916.5$3,450493.72222222222223n/a
19884.3L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular(FFS)162218638.916.5$3,450493.72222222222223n/a
19882.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular(FFS)162319605.315.7$3,300467.7368421052632n/a
19882.5L 4-cyl Rear-Wheel Drive Automatic 4-spd Regular(FFS)182320575.014.9$3,100444.35n/a
19882.5L 4-cyl Rear-Wheel Drive Manual 5-spd Regular(FFS)192622522.713.5$2,850403.95454545454544n/a
19872.8L 6-cyl Rear-Wheel Drive Automatic 3-spd Regular(FFS)151716718.818.6$3,900555.4375n/a
19872.8L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular(FFS)152117676.517.5$3,650522.7647058823529n/a
19872.8L 6-cyl Rear-Wheel Drive Manual 4-spd Regular(FFS)152017676.517.5$3,650522.7647058823529n/a
19872.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular(FFS)152218638.916.5$3,450493.72222222222223n/a
19872.5L 4-cyl Rear-Wheel Drive Automatic 3-spd Regular(FFS)172119605.315.7$3,300467.7368421052632n/a
19872.5L 4-cyl Rear-Wheel Drive Automatic 4-spd Regular(FFS)172219605.315.7$3,300467.7368421052632n/a
19872.5L 4-cyl Rear-Wheel Drive Manual 4-spd Regular(FFS)182320575.014.9$3,100444.35n/a
19872.5L 4-cyl Rear-Wheel Drive Manual 5-spd Regular(FFS)192421547.614.2$2,950423.1904761904762n/a
19862.8L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular(FFS)151917676.517.5$3,650522.7647058823529n/a
19862.8L 6-cyl Rear-Wheel Drive Manual 4-spd Regular(FFS)152017676.517.5$3,650522.7647058823529n/a
19862.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular(FFS)152117676.517.5$3,650522.7647058823529n/a
19862.5L 4-cyl Rear-Wheel Drive Automatic 4-spd Regular(FFS)182420575.014.9$3,100444.35n/a
19862.5L 4-cyl Rear-Wheel Drive Manual 4-spd Regular(FFS)182420575.014.9$3,100444.35n/a
19862.5L 4-cyl Rear-Wheel Drive Manual 5-spd Regular(FFS)202622522.713.5$2,850403.95454545454544n/a
19852.8L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular2.8L 6-cyl152318638.916.5$3,450493.72222222222223n/a
19852.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular2.8L 6-cyl152218638.916.5$3,450493.72222222222223n/a
19852.8L 6-cyl Rear-Wheel Drive Manual 4-spd Regular2.8L 6-cyl162319605.315.7$3,300467.7368421052632n/a
19852.8L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular(FFS) CA model172319605.315.7$3,300467.7368421052632n/a
19852.8L 6-cyl Rear-Wheel Drive Manual 4-spd Regular(FFS) CA model172319605.315.7$3,300467.7368421052632n/a
19852.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular(FFS) CA model162319605.315.7$3,300467.7368421052632n/a
19852.5L 4-cyl Rear-Wheel Drive Automatic 4-spd Regular(FFS)182420575.014.9$3,100444.35n/a
19852.5L 4-cyl Rear-Wheel Drive Manual 4-spd Regular(FFS) CA model192220575.014.9$3,100444.35n/a
19852.5L 4-cyl Rear-Wheel Drive Manual 4-spd Regular(FFS)192421547.614.2$2,950423.1904761904762n/a
19852.5L 4-cyl Rear-Wheel Drive Manual 5-spd Regular(FFS)192622522.713.5$2,850403.95454545454544n/a
19842.8L 6-cyl 2-Wheel Drive Automatic 4-spd Regular2.8L 6-cyl162218638.916.5$3,450493.72222222222223n/a
19842.8L 6-cyl 2-Wheel Drive Manual 4-spd Regular2.8L 6-cyl162218638.916.5$3,450493.72222222222223n/a
19842.8L 6-cyl 2-Wheel Drive Manual 5-spd Regular2.8L 6-cyl162218638.916.5$3,450493.72222222222223n/a
19842.8L 6-cyl 2-Wheel Drive Manual 4-spd Regular(FFS) CA model162218638.916.5$3,450493.72222222222223n/a
19842.8L 6-cyl 2-Wheel Drive Manual 5-spd Regular(FFS) CA model162218638.916.5$3,450493.72222222222223n/a
19842.8L 6-cyl 2-Wheel Drive Automatic 4-spd Regular(FFS) CA model172419605.315.7$3,300467.7368421052632n/a
19842.0L 4-cyl 2-Wheel Drive Manual 4-spd Regular2.0L 4-cyl192521547.614.2$2,950423.1904761904762n/a
19842.0L 4-cyl 2-Wheel Drive Automatic 3-spd Regular(FFS) CA model192421547.614.2$2,950423.1904761904762n/a
19842.0L 4-cyl 2-Wheel Drive Manual 5-spd Regular2.0L 4-cyl202622522.713.5$2,850403.95454545454544n/a
19842.0L 4-cyl 2-Wheel Drive Manual 4-spd Regular(FFS) CA model202622522.713.5$2,850403.95454545454544n/a
19842.0L 4-cyl 2-Wheel Drive Manual 5-spd Regular(FFS) CA model202723500.012.9$2,700386.39130434782606n/a

How the rating has moved between model years

Comparing the best-rated configuration of each year. 1 of 5 year-over-year steps improved the top rating.

ChangeBest combinedDeltaGallons a year at the newer rating
1984 → 198523 → 22 mpg-1 mpg523 gal
1986 → 198722 → 21 mpg-1 mpg548 gal
1987 → 198821 → 22 mpg+1 mpg523 gal
1988 → 198922 → 19 mpg-3 mpg605 gal
1989 → 199019 → 18 mpg-1 mpg639 gal

What S15 Jimmy fuel costs over a year

At the EPA's 11,500 miles a year, the 1990 GMC S15 Jimmy burns 639 to 719 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.

Pump priceMost efficientThirstiestSpread
$3.00/gal$1,917$2,156$240
$3.50/gal$2,236$2,516$280
$4.00/gal$2,556$2,875$319

EPA’s own estimate for the 1990 model year is $3,450 to $3,900 a year in fuel, or $6,000 more than the average new vehicle over five years.

How it compares with other Special Purpose Vehicle 2WD

Across the 93 nameplates EPA classifies as Special Purpose Vehicle 2WD, the median best combined rating is 22 mpg. At 18 mpg the GMC S15 Jimmy is 4 mpg below the median, which is worth about $407 a year at $3.50 a gallon.

Other GMC nameplates

Every GMC model compared → — all nameplates ranked by best combined rating, with what each one costs a year.